Wynnchurch Capital has acquired Principal Industries, a provider of LED components and engineered assemblies.Principal Industries designs and manufactures LED products for signage and architectural branding illumination.The LED lighting market is projected to grow at a compound annual growth rate (CAGR) of 12.4% through 2030.Wynnchurch Capital specializes in investing in middle-market companies with revenues ranging from $50 million to $1 billion.